Finding the Fourth Proportional to 636,920,583,743.30, 955,384,447,194.36 and 212,447,683,451.02
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Solution
The fourth proportional to 636,920,583,743.30, 955,384,447,194.36 and 212,447,683,451.02 is: 318,672,716,492.67
Step by Step Solution
- Step 1: Write the proportion equation
636,920,583,743.30 : 955,384,447,194.36 = 212,447,683,451.02 : x - Step 2: Convert to fraction form
636,920,583,743.30/955,384,447,194.36 = 212,447,683,451.02/x - Step 3: Cross multiply
636,920,583,743.30x = 955,384,447,194.36 × 212,447,683,451.02 - Step 4: Simplify right side
636,920,583,743.30x = 202,969,212,611,575,121,182,720 - Step 5: Solve for x
x = 202,969,212,611,575,121,182,720/636,920,583,743.30 - Step 6: Final answer
x = 318,672,716,492.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.